﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
using System.Reflection;
using System.IO;
using System.Diagnostics;

namespace template_dll
{
    public partial class ChildForm : Form
    {
        public ChildForm()
        {
            InitializeComponent();
        }

        private const string namechcol = "Флаг";
        private SqlConnection conn;
        private DataTable dt_rep;
        private SqlStorProc.sp_params[] param = new SqlStorProc.sp_params[3];
        private delegate void Deleg();
        private Deleg del;
        private DataTable dt_pharm = new DataTable();
        
        public static bool DisplayForm(System.Windows.Forms.Form theMDIParent)
        {
            ChildForm f = new ChildForm();
            f.MdiParent = theMDIParent;
            f.WindowState = FormWindowState.Maximized;
            f.Show();
            return true;
        }

        private string GetServ(string filename)
        {
            string str = "";
            using (StreamReader streamReader = new StreamReader(filename))
            {
                while (!streamReader.EndOfStream)
                {
                    str += streamReader.ReadLine();
                }
            }
            return str;
        }

        private void ChildForm_Load(object sender, EventArgs e)
        {
            try
            {
                conn = new SqlConnection(@"Server=" + GetServ("serv.txt") + ";Database=PharmOLAPDW;Integrated Security=True");
                dateTimePicker1.Value = DateTime.Now.Date.AddDays(-1);
                dateTimePicker2.Value = DateTime.Now.Date.AddDays(-1);
                dt_rep = new DataTable();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void StartCreateRep(object sender, EventArgs e)
        {
            dataGridView1.DataSource = null;
            DataTable dt_ph = new DataTable();
            dt_ph.Columns.Add();
            if (dt_pharm.IsInitialized)
            {
                foreach (DataRow row in dt_pharm.Rows)
                {
                    if (Convert.ToBoolean(row[namechcol]))
                    {
                        dt_ph.Rows.Add(row[1]);
                    }
                }
            }
            //dataGridView1.DataSource = dt_ph.DefaultView;
            dt_rep.Clear();
            param[0].name = "@dt_befpur_beg";
            param[0].value = dateTimePicker1.Value.Date.ToString("yyyyMMdd");
            param[1].name = "@dt_befpur_end";
            param[1].value = dateTimePicker2.Value.Date.ToString("yyyyMMdd");
            param[2].name = "@pharm";
            param[2].value = dt_ph;
            del = new Deleg(CreateRep);
            this.Text += " Формируется";
            IAsyncResult asyncRes = del.BeginInvoke(new AsyncCallback(CallBackFunc), null); //
            panel1.Enabled = false;
            dataGridView1.Enabled = false;
        }

        private void CallBackFunc(IAsyncResult aRes)
        {
            del.EndInvoke(aRes);
            panel1.Invoke((Func<bool>)(() => panel1.Enabled = true));
            dataGridView1.Invoke((Func<bool>)(() => dataGridView1.Enabled = true));
            this.Invoke((Func<string>)(() => this.Text = this.Text.Replace(" Формируется", "")));
            dataGridView1.Invoke((Func<object>)(() => dataGridView1.DataSource = dt_rep.DefaultView));
        }

        private void CreateRep()
        {
            if (conn.State == ConnectionState.Closed) conn.Open();
            try
            {

                dt_rep = (new SqlStorProc()).SqlProcExecWithQueryOneTable(conn, "pas_LiquidityBalances", 300, param);

                conn.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
                conn.Close();
            }

        }



        private void ExpToExcel(object sender, EventArgs e)
        {
            SaveFileDialog sfd = new SaveFileDialog();
            sfd.FileName = "Ликвидность остатка";
            sfd.Filter = "Файл CSV | *.csv";
            if (sfd.ShowDialog() == DialogResult.OK)
            {   
                SaveDGVToCSVfile(sfd.FileName.ToString(), dataGridView1, true);
            }
        }

        public static bool SaveDGVToCSVfile(string filename, DataGridView table, bool openInExcel)
        {
            try
            {
                StreamWriter sw = new StreamWriter(filename, false, Encoding.Unicode);

                List<int> col_n = new List<int>();
                foreach (DataGridViewColumn col in table.Columns)
                    if (col.Visible)
                    {
                        sw.Write(col.HeaderText + "\t");
                        col_n.Add(col.Index);
                    }
                sw.WriteLine();
                int x = table.RowCount;
                if (table.AllowUserToAddRows) x--;

                for (int i = 0; i < x; i++)
                {
                    for (int y = 0; y < col_n.Count; y++)
                        sw.Write(table[col_n[y], i].Value + "\t");
                    sw.Write(" \r\n");
                }
                sw.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Stop);
                return false;
            }

            if (openInExcel)
            {
                try
                {
                    Process newProc = Process.Start("excel.exe", "\"" + filename + "\"");
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Stop);
                }
            }
            return true;
        }

        private void button3_Click(object sender, EventArgs e)
        {
            //- Фильтр по аптекам
            dt_pharm = null; 
            try
            {
                PharmFilter.PharmFilter f3 = new PharmFilter.PharmFilter();

                if (dt_pharm == null)
                {
                    SqlCommand myCommand = conn.CreateCommand();
                    myCommand.CommandType = CommandType.StoredProcedure;
                    myCommand.CommandText = @"pas_PharmSel";
                    if (conn.State == ConnectionState.Closed) conn.Open();
                    dt_pharm = new DataTable();
                    dt_pharm.Load(myCommand.ExecuteReader());
                    foreach (DataColumn dc in dt_pharm.Columns)
                    {
                        if (dc.ColumnName != namechcol) dc.ReadOnly = true;
                        else dc.ReadOnly = false;
                    }
                    conn.Close();
                }
                f3.namechcol = namechcol;
                f3.Text = "Фильтр по аптекам";
                f3.sortcoumn = "Аптека";
                f3.dataGridView1.DataSource = dt_pharm.DefaultView;
                f3.ShowDialog();
                listBox1.Items.Clear();
                foreach (DataRow dr in dt_pharm.Rows)
                {
                    if (Convert.ToBoolean(dr[namechcol]) == true) listBox1.Items.Add(dr[f3.sortcoumn]);
                }
                if (listBox1.Items.Count == 0) listBox1.Items.Add("(Все аптеки)");
                f3.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
        }

        private void dataGridView1_DataSourceChanged(object sender, EventArgs e)
        {
            //- Прорисовка цветом

            for (int i = 0; i < dataGridView1.Rows.Count; i++)
            {
                if (dataGridView1[1, i].Value.ToString() == "Итого")
                {
                    for (int j = 0; j < dataGridView1.Columns.Count; j++)
                    {
                        //MessageBox.Show(dataGridView1[1, i].Value.ToString());
                        dataGridView1[j, i].Style.BackColor = Color.LightSeaGreen;
                    }
                }
            }
        }


    }
}
